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Definition
| brightness as observed either by the eye, photoelectric cell or photography |
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Definition
| depends on the size & surface temperature of a star |
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Definition
| calculate how bright each star would look at any given distance |
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Definition
| large stars that are cooler |
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Definition
| higher absolute magnitude & hundreds of times as luminous as giants |
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Definition
| supergiants that are cooler |
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Term
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Definition
| less luminous stars with absolute magnitude of +1 or less |
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Definition
| stars that are very dense, small, faint & hot |
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Definition
| rate at which the star changes it's position among other stars in the night sky |
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Definition
| rate at which the star is moving toward/away from us |
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Definition
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Definition
| change in brightness AND size |
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Definition
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Definition
| small dense stars that flare suddenly from faint obscurity into bright prominence & fade again |
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Definition
| also known as an explosive star (new) |
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Definition
| a "super large explosion" |
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Term
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Definition
| 2 stars that revolve around the same point; physically attached |
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Term
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Definition
| pair of stars that can be seen as 2 stars on the telescope |
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